Example

Search for "3" in string "W3Schools.com", and return position:

SELECT INSTR("W3Schools.com", "3") AS MatchPosition;

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Definition and Usage

The INSTR() function returns the position of the first occurrence of a string in another string.

This function performs a case-insensitive search.

Syntax

INSTR(string1, string2)

Parameter Values

Parameter	Description
string1	Required. The string that will be searched
string2	Required. The string to search for in string1. If string2 is not found, this function returns 0

Technical Details

Works in:

From MySQL 4.0

More Examples

Example

Search for "COM" in string "W3Schools.com", and return position:

SELECT INSTR("W3Schools.com", "COM") AS MatchPosition;

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Example

Search for "a" in CustomerName column, and return position:

SELECT INSTR(CustomerName, "a")
FROM Customers;

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